CN212514747U

CN212514747U - Test pencil capable of rapidly judging safety fusing fault of direct current loop

Info

Publication number: CN212514747U
Application number: CN202021260900.7U
Authority: CN
Inventors: 王桂岭; 王雨川
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-09
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a can judge direct current loop's insurance fusing trouble's electrography rapidly, including the electrography body, the electrography body includes first casing, the front end of first casing is equipped with the protecgulum, the rear end of first casing is equipped with the second casing, the rear end of second casing is equipped with the back lid, inside connecting block and the high-tension resistance of being equipped with of first casing, the inside terminal surface of back lid is equipped with the spring, the spring is kept away from the one end of being connected with the back lid and is equipped with the second contact piece, be equipped with the neon lamp between high-tension resistance and the second contact piece, inside stopper and the spacing pipe of being equipped with of protecgulum, the inside of gas spacing intraduct is equipped with the test needle, the inside of installation pole one end is kept away from and is equipped with. The utility model discloses convenient to detach overhauls when using, is convenient for have more different in service behavior and changes the test needle, can throw light on to the test position when light is dark in addition, is further convenient for carry out test work, has improved practicality and work efficiency.

Description

Test pencil capable of rapidly judging safety fusing fault of direct current loop

Technical Field

The utility model relates to an electrography technical field especially relates to a can judge electrography of insurance fusing trouble of direct current loop rapidly.

Background

The test pencil is also called test pencil, which is called test pencil for short. The testing tool is an electrician tool and is used for testing whether the electric wire is electrified or not. The test pencil is one of the tools that electricians must use when entering the door, and the use of the test pencil is well learned, so that the safety of the test pencil can be guaranteed, and the test pencil can be used with half the effort.

The pen body is provided with a neon bulb, and if the neon bulb shines during testing, the neon bulb indicates that the lead is electrified or is a fire wire of a passage. The pen point and the pen tail of the test pencil are made of metal materials, and the pen holder is made of insulating materials. When the test pencil is used, a user must touch the metal part at the tail end of the test pencil by hand, otherwise, because a charged body, the test pencil, a human body and the ground do not form a loop, neon bulbs in the test pencil cannot emit light to cause misjudgment, and the charged body is considered to be uncharged.

Most of the prior art electrography is a whole anyhow, be not convenient for dismantle when taking place to damage and overhaul, contact pin of survey electricity simultaneously is fixed with as an organic whole with the front end of electrography, when the voltage of the position of relatively dark on the test machine of needs, sometimes light is not enough, the staff need hand the light continue peaceful illumination to the test position, the length of electrography may be not enough sometimes, so need the staff to spend the time to go apart the machine, it is very inconvenient like this, and the work efficiency is also reduced.

Therefore, we propose a test pencil which can rapidly judge the fuse-fusing fault of the DC circuit to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electroprobe which can rapidly judge the safety fusing fault of a direct current loop.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a test pencil capable of rapidly judging safety fusing fault of a direct current loop comprises a test pencil body, wherein the test pencil body comprises a first shell, the front end of the first shell is provided with a front cover, the rear end of the first shell is provided with a second shell, the rear end of the second shell is provided with a rear cover, a connecting block and a high-voltage resistor are arranged in the first shell, an elastic sheet and a first contact block are respectively arranged at two ends of the connecting block, a spring is arranged on the end surface in the rear cover, a second contact block is arranged at one end of the spring far away from the end connected with the rear cover, a neon lamp is arranged between the high-voltage resistor and the second contact block, the rear end of the rear cover is provided with a hand-touch electrode, the front cover is internally provided with a limiting block and a limiting pipe, the gas limiting pipe is internally provided with a testing needle, the surface activity of first casing is equipped with the installation pole, and the inside of installation pole one end is kept away from and is equipped with the lamp with first casing hookup location.

Preferably, the front end of first casing, second casing and hou gai all is equipped with threaded connection head, the threaded connection head of first casing front end passes through screw thread and protecgulum rear end internal connection, the rear end of first casing is inside to be connected with the threaded connection head of second casing front end through the screw thread, the threaded connection head of second casing front end is connected through screw thread and hou gai inside to the second casing rear end.

Preferably, the outer lane and the protecgulum inner wall of stopper are connected, spacing pipe runs through the intermediate position on stopper surface, the test end of test needle runs through spacing pipe and is located the outside of spacing pipe.

Preferably, one end of the connecting block is connected with the high-voltage resistor through the first contact block, and the elastic sheet is abutted to one end, far away from the testing end, of the testing needle.

Preferably, the fixed cover in surface of test needle is equipped with the fixture block, the terminal surface of the threaded connection head of first casing front end is equipped with embedded groove, and fixture block and embedded groove block.

Preferably, the mounting rod is far away from the end connected with the first shell and is provided with a mounting groove, the mounting groove is L-shaped, and the irradiation lamp is interactively positioned in the mounting groove.

Preferably, a pin and a connecting ring are respectively arranged on the surface of the second shell, the pin is clamped with the clothes pocket, and the connecting ring is connected with the handle losing rope.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the protecgulum that sets up, spacing pipe, the test needle, fixture block and threaded connection head, in order to reach the effect in order to change the test needle, when the length of test needle can't satisfy the practical condition or look sideways at the needle and take place to damage, the staff can dismantle the protecgulum through the threaded connection head of screw thread and first casing front end, the terminal surface separation of fixture block and threaded connection head this moment, then take out the test needle from the spacing pipe in the spacing block, and change the test needle that accords with service condition, in order to this the staff carries out the use with changing to the test needle according to the in service behavior of difference, further improve the practicality.

2. Through mounting groove, installation pole and the lamp that sets up to reach and will survey the position that the needle touched and carry out the effect of throwing light on, shine the lamp when light is darker and can be convenient for the staff more accurate the test point of touching the test needle, prevent that the test needle from taking place to sideslip when the test, cause staff's hand and test position to contact.

3. Through the first casing, protecgulum, second casing and the back lid that set up, in order to reach to have will the utility model discloses tear open, be convenient for carry out dismouting maintenance to its internal element.

Drawings

Fig. 1 is a perspective view of an electrical pen capable of rapidly determining a fuse fusing fault of a dc circuit according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an enlarged view of the front cover of FIG. 1;

fig. 4 is a partial perspective view of the mounting bar of fig. 1.

In the figure: 1. a first housing; 2. a front cover; 3. a second housing; 4. a rear cover; 5. connecting blocks; 501. a first contact block; 6. an elastic sheet; 7. a high-voltage resistor; 8. a neon lamp; 9. a spring; 901. a second contact block; 10. a hand-touch electrode; 11. mounting grooves; 12. a limiting block; 13. a limiting pipe; 14. a test pin; 1401. a clamping block; 15. mounting a rod; 16. illuminating a lamp; 17. a threaded connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an electrical pen capable of rapidly determining a fuse failure of a dc circuit includes an electrical pen body, the electrical pen body includes a first housing 1, a front cover 2 is disposed at a front end of the first housing 1, a second housing 3 is disposed at a rear end of the first housing 1, a rear cover 4 is disposed at a rear end of the second housing 3, a connection block 5 and a high-voltage resistor 7 are disposed inside the first housing 1, the high-voltage resistor 7 is a conventional art and is not described herein, an elastic sheet 6 and a first contact block 501 are disposed at two ends of the connection block 5, a spring 9 is disposed at an inner end surface of the rear cover 4, a second contact block 901 is disposed at an end of the spring 9 far away from the connection with the rear cover 4, a neon lamp 8 is disposed between the high-voltage resistor 7 and the second contact block 901, the neon lamp 8 is a conventional art and is not described herein again, a hand contact electrode 10 is disposed at a rear end of the rear cover 4, a limit block 12 and a limit tube 13 are disposed inside the, the inside test needle 14 that is equipped with of spacing pipe 13 of gas, the surface activity of first casing 1 is equipped with installation pole 15, and the inside of installation pole 15 one end is kept away from and is equipped with lamp 16 with first casing 1 hookup location, and lamp 16 is prior art, does not do the repeated description here.

The front end of first casing 1, second casing 3 and hou gai 4 all is equipped with threaded connection head 17, and threaded connection head 17 at 1 front end of first casing passes through screw thread and 2 rear end internal connections of protecgulum, and the rear end of first casing 1 is inside to be connected with the threaded connection head 17 of 3 front ends of second casing through the screw thread, and the rear end of second casing 3 is inside to be connected with the threaded connection head 17 of 4 front ends of hou gai through the screw thread, and is further, convenient to the utility model discloses install and dismantle, first casing 1, second casing 3, protecgulum 2 and hou gai 4 all are insulating material.

The outer lane and the 2 interior wall connections of protecgulum of stopper 12, spacing pipe 13 runs through the intermediate position on stopper 12 surface, and the test end of testing needle 14 runs through spacing pipe 13 and is located the outside of spacing pipe 13, and further, the test end of testing needle 14 is located the outside of spacing pipe 13 and is convenient for carry out test work, and stopper 12 plays the effect to the stable restriction of testing needle 14 with spacing pipe 13.

One end of the connecting block 5 is connected with the high-voltage resistor 7 through the first contact block 501, the elastic sheet 6 and the test needle 14 are far away from one end of the test end to be abutted, further, the elastic sheet 6 is connected with the first contact block 501 through the connecting block 5, the high-voltage resistor 7 is contacted with one end of the neon lamp 8, and the other end of the neon lamp 8 is contacted with the second contact block 901.

The fixed cover in surface of test needle 14 is equipped with fixture block 1401, and the terminal surface of the threaded connection head 17 of first casing 1 front end is equipped with the embedded groove, and fixture block 1401 and embedded groove block, and further, be convenient for carry out stable installation to test needle 14.

Mounting groove 11 has been seted up to the one end that mounting bar 15 kept away from with first casing 1 hookup location, and mounting groove 11 is the L type, and 16 interactive being located inside mounting groove 11 of lamp, and further, mounting bar 15 can overturn on first casing 1 surface, and lamp 16 is movable in mounting groove 11 is inside, and the lamp 16 of being convenient for adjusts the angle that is fit for shining.

The surface of the second shell 3 is respectively provided with a pin and a connecting ring, the pin is clamped with a clothes pocket, and the connecting ring is connected with a hand-losing rope, so that the test pencil body can be conveniently arranged in the pocket or hung on an arm, and the test pencil body is prevented from being lost and falling.

The working principle of the utility model is that, when the staff changes the test needle 14, the staff detaches the front cover 2 from the threaded connector 17 at the front end of the first shell 1 through the screw thread, at the moment, the fixture block 1401 separates from the end surface of the threaded connector 17, then the test needle 14 is taken out from the limiting pipe 13 in the limiting block 12, the touching end of the test needle 14 meeting the use condition is inserted into the limiting pipe 13 again, so that the fixture block 1401 contacts with one end of the limiting pipe 13, then the front cover 2 is connected with the threaded connector 17 at the front end of the first shell 1 through the screw thread, at the moment, the butt of the fixture block 1401 is inside the embedded groove at the end surface of the threaded connector 17, the end far away from the touching end of the test needle 14 is abutted against the elastic sheet 6, thereby the staff can follow the test needle 14 to change the use according to different use conditions.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The test pencil capable of rapidly judging the fuse-fusing fault of the direct current loop comprises a test pencil body and is characterized in that the test pencil body comprises a first shell (1), a front cover (2) is arranged at the front end of the first shell (1), a second shell (3) is arranged at the rear end of the first shell (1), a rear cover (4) is arranged at the rear end of the second shell (3), a connecting block (5) and a high-voltage resistor (7) are arranged inside the first shell (1), an elastic sheet (6) and a first contact block (501) are respectively arranged at two ends of the connecting block (5), a spring (9) is arranged on the end face inside the rear cover (4), a second contact block (901) is arranged at one end, far away from the end connected with the rear cover (4), a neon lamp (8) is arranged between the high-voltage resistor (7) and the second contact block (901), and a hand-touch electrode (10) is arranged at the rear end of the rear cover (4), the utility model discloses a test instrument, including protecgulum (2), gas spacing pipe (13), test needle (14) are equipped with to protecgulum (2) inside stopper (12) and spacing pipe (13) of being equipped with, the surface activity of first casing (1) is equipped with installation pole (15), and the inside of just installing pole (15) one end is kept away from and is equipped with lamp (16) with first casing (1) hookup location.

2. The test pencil capable of rapidly judging the safety fuse-fusing fault of the direct current loop according to claim 1, characterized in that the front ends of the first shell (1), the second shell (3) and the rear cover (4) are all provided with a threaded connector (17), the threaded connector (17) at the front end of the first shell (1) is connected with the rear end of the front cover (2) through threads, the inside of the rear end of the first shell (1) is connected with the threaded connector (17) at the front end of the second shell (3) through threads, and the inside of the rear end of the second shell (3) is connected with the threaded connector (17) at the front end of the rear cover (4) through threads.

3. The test pencil capable of rapidly judging the safety fusing fault of the direct current loop according to claim 1, wherein the outer ring of the limiting block (12) is connected with the inner wall of the front cover (2), the limiting tube (13) penetrates through the middle position of the surface of the limiting block (12), and the testing end of the testing needle (14) penetrates through the limiting tube (13) and is positioned outside the limiting tube (13).

4. The test pencil capable of rapidly judging the fuse-fusing fault of the direct current loop according to claim 1, wherein one end of the connecting block (5) is connected with the high-voltage resistor (7) through a first contact block (501), and the elastic sheet (6) is abutted with one end of the test needle (14) far away from the test end.

5. The test pencil capable of rapidly judging the fuse-fusing fault of the direct current circuit as claimed in claim 2, wherein a fixture block (1401) is fixedly sleeved on the surface of the test needle (14), an inner embedded groove is formed in the end face of the threaded connector (17) at the front end of the first casing (1), and the fixture block (1401) is clamped with the inner embedded groove.

6. The test pencil capable of rapidly judging the fuse-fusing fault of the direct current circuit according to claim 1, wherein an installation groove (11) is formed in one end of the installation rod (15) far away from the connection position with the first housing (1), the installation groove (11) is L-shaped, and the irradiation lamp (16) is interactively positioned in the installation groove (11).

7. The test pencil capable of rapidly judging the fuse-fusing failure of the dc circuit according to claim 1, wherein the surface of the second casing (3) is respectively provided with a pin and a connecting ring, the pin is clamped with a pocket of clothes, and the connecting ring is connected with a dead-man rope.